Energy Polyurethane Differential Bushings for 1994-2005 Mazda Miata (NA NB) Fuel Rail there is a significant reduction

there is a significant reduction in noise

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part number 14540-PRB-A01

It does not work on the K24Z engines

Launch Control

Energy Polyurethane Differential Bushings for 1994-2005 Mazda Miata (NA NB) Fuel Rail there is a significant reductionEnergy Suspension polyurethane bushings go a long way to preventing unwanted drivetrain movement on street and track cars alike. We recommend them for all Miata builds, but they are required when running our Miata front differential mount with the PPF deleted. You'll notice a slight increase in driveline noise with these bushings, but not much. For a complete Miata differential upgrade, also install our Differential Am Reinforcement Plates when